Period: A. the speed or lent and the las.est speed I the universe IRAlso knoun as an electron arhitTa move from low to high requires energy Pnsm Alhontviableandivisiblel D. Uses dispersion to separate white light anto1tscolorsl linedrum E. A single particle or packet of light DA wave that can travel throuen a Energy Level Is light a wave or a particle? Prove your answer: T= 0.25sec Where does light come from! Find the period of a 10 Hz wave. LA wave has these characterist? A sound changes from 25 dB to 5 dB. Hor 25 d3 seem to us You hear a thunder 3 seconds after you see the lightening How far away is the storm? You are in a concert hall and yell up to the ceiling. It take! 1 second for the echo to come back to you. is that the time for the sound to go to the ceiling a for the sound to go to the ceiling and back? B) If you want to know how high the ceiling is, how long does take for the sound to get to the ceiling? C) Find the how high the ceiling is